MI

Marquard Imfeld

Hoffmann-La Roche: 3 patents #991 of 3,238Top 35%
Overall (All Time): #1,638,892 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5750690 Asymmetric hydrogenation process using ruthenium-diphosphine complexe Emil A. Broger, Yvo Crameri, Francois Montavon, Erich Widmer 1998-05-12
4689427 Hydroquinone derivatives useful in the production of vitamin E 1987-08-25
4565869 Dicarbamates Henri Ramuz, Peter F. Vogt, Jean-Claude Muller 1986-01-21